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How to clear some cookies in Firefox?

It is possible to clear all the cookies from a website in Firefox: https://support.mozilla.org/en-US/kb/clear-cookies-and-site-data-firefox In my case, I would like to cl… (閱讀更多)

It is possible to clear all the cookies from a website in Firefox: https://support.mozilla.org/en-US/kb/clear-cookies-and-site-data-firefox In my case, I would like to clear only authentication cookies (to be automatically disconnected when I close Firefox) but I want to keep the other cookies about my preferences. However, I can select on which websites I want to clear my cookies but I can't select which ones.

Is there a way to select the list of cookies I want to keep/clear for each websites?

Thanks.

pico051 於 1 個月前 詢問

jscher2000 於 1 個月前 解答

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Firefox tab icon no longer spinning :(

Hi, I am using FF v80.0.1 on ubuntu 18.04. I noticed that whenever a tab is loading there is now a static (non-spinning) icon. Previously it was spinning. I want it to sp… (閱讀更多)

Hi, I am using FF v80.0.1 on ubuntu 18.04.

I noticed that whenever a tab is loading there is now a static (non-spinning) icon. Previously it was spinning. I want it to spin.

In changelog for 80.0 it says:

> For users with reduced motion settings, we’ve reduced a number of animations such as tab loading to reduce motion for users with migraines and epilepsy.

Is there a way to disable this feature?

visgean 於 1 個月前 詢問

jscher2000 於 1 個月前 解答

  • 已解決

Embedded video won't play

Embedded videos at a particular website do not play in FF 80.0.1 (64 bit). My system is running Ubuntu 20.04.1 LTS. I have tried workarounds but none have provided a reme… (閱讀更多)

Embedded videos at a particular website do not play in FF 80.0.1 (64 bit). My system is running Ubuntu 20.04.1 LTS.

I have tried workarounds but none have provided a remedy. There could be a bug in FF causing this but I'm not sure.

Here is an example link: https://www.sbs.com.au/cyclingcentral/video/1788049475999/Winning-moment-Stage-14

This is the behaviour I see: After I click the play button in the lower left of the embedded frame the video begins to load. The beginning of an ad flashes into the video box but cuts out before playing. The video box is then loaded with the first shot of vision I wish to view but does not play.

I use four FF profiles with various modifications to improve privacy and security. When these changes occasionally cause problems with website function I try loading the website in a FF profile with reduced security/privacy controls. Modifications include changes to privacy and security settings, browser extensions and about:config changes.

Cascading through profiles with a step-wise reduction in the number of modifications still wouldn't permit me to play videos from this site. Even my vanilla FF profile with only a few UI tweaks does not play the video. After that I tried loading problematic pages in a brand new, freshly created vanilla FF profile to which no changes had been made. Videos still wouldn't play in a pristine profile with zero user modifications.

My internet connection comes via a smartphone mobile hotspot. The phone has a system level ad blocker running (Android phone, Blokada app) but switching it off did not allow the videos to play.

After that I tried a different browser. I installed Brave browser via Snap. Version 1.13.82 Chromium: 85.0.4183.83 (Official Build) (64-bit)

It played the video first time. Therefore internet connection to site is good. Did not load advertisement at start of video, no flash of ad content. When the video panel is loaded in Brave a large yellow play button is superimposed on the first frame of the video. The button is a yellow circle with a right-pointing yellow triangle inside it. Clicking the white play button in the lower left corner of the embedded video frame does not play the video. Clicking the large superimposed yellow icon initiates video play.

I'd be grateful for advice on how to rectify this problem.

Nullius 於 1 個月前 詢問

cor-el 於 1 個月前 解答

  • 已解決

Major Lag switching between windows on Ubuntu (New issue that appeared after updating to FF 80)

Firefox has been severely lagging--specifically when switching between windows. For example, I could have one window running nice and fast, but then when I switch to anot… (閱讀更多)

Firefox has been severely lagging--specifically when switching between windows. For example, I could have one window running nice and fast, but then when I switch to another Firefox window, it is unresponsive for up to 10 seconds. That means no opening tabs, no scrolling, no loading pages, until it becomes responsive again. And this happens just about every time I switch from one Firefox window to another. It's a big problem because multiple windows are an inherent part of my workflow, so I can't wait 10 seconds every time I have to do something in another window.

Here's a very important piece of information: The problem does not happen in Safe Mode. However, Safe Mode is the only way to fix it. I've tried disabling hardware acceleration, disabling all extensions, refreshing FF (creating a new profile), reinstalling it, and the problem always comes back whenever I'm not in safe mode.

I've spent a lot of time on my own trying to solve this, with no luck. Of course, I'd be happy to post any troubleshooting information you may need to help me. Thank you!

ben.t21 於 1 個月前 詢問

ben.t21 於 1 個月前 解答

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feature request - ability to export/import custom settings.

Since I help a lot of folks to set up Firefox, and customize the settings a lot, it would be great to have a way to export and import those custom settings. Sync is no h… (閱讀更多)

Since I help a lot of folks to set up Firefox, and customize the settings a lot, it would be great to have a way to export and import those custom settings. Sync is no help as they don't have an account/setup to sync the settings FROM. But since sync CAN update the settings, how about giving us a separate way to do the same via an exported file????

Please? Sure would make my time to install and set up a LOT easier.

rwernst 於 1 個月前 詢問

cor-el 於 1 個月前 解答

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Too many language packs installed

Hello, there are many languages in the Firefox dictionary and I just want to have English and Brazilian Portuguese, but I can't uninstall any languages. I'm using Linux M… (閱讀更多)

Hello, there are many languages in the Firefox dictionary and I just want to have English and Brazilian Portuguese, but I can't uninstall any languages. I'm using Linux Mint 20 xfce, when I used Windows it didn't happen. How to solve this problem?

Steph 於 1 個月前 詢問

cor-el 於 1 個月前 解答

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netflix website works in safemode, not in normal mode

Greetings, up until Sep 8th, I had no issues at all viewing netflix via firefox. suddenly, streams won't play, they get stuck, I've even encountered a video published in … (閱讀更多)

Greetings,

up until Sep 8th, I had no issues at all viewing netflix via firefox. suddenly, streams won't play, they get stuck, I've even encountered a video published in facebook that had it's audio distorted. but if I boot firefox in safe mode, everything works allright. firefox wasn't upgraded, I'm using firefox 80.0.1 on linux. I have noticed that flash was upgraded on Sep 9th but I would expect the same behavior to persists no matter if it is in normal mode or safe mode.

any ideas what can cause this?

daggs 於 1 個月前 詢問

FredMcD 於 1 個月前 解答

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Separate Start and Home Pages

One of the reasons I'm still using 56 is that the start page preference and home page preference are separate. I can set the browser to start with a blank page, but then … (閱讀更多)

One of the reasons I'm still using 56 is that the start page preference and home page preference are separate. I can set the browser to start with a blank page, but then if I wish to quickly go to my home page I can just click on the icon in the address bar. Don't know why this feature was downgraded in the new versions, but I'd like to update - so how can I make this be so in the new version of Firefox? I want to set the start page different from the home page like 56.

matieusinjon 於 2 個月前 詢問

matieusinjon 於 1 個月前 解答

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Cannot sign in to Firefox account when VPN is active

Hi, I'm not able to to sign in to my Firefox account when my VPN is active. Is there anything I can do about it? Any help is very much appreciated! Thank you! … (閱讀更多)

Hi,

I'm not able to to sign in to my Firefox account when my VPN is active. Is there anything I can do about it?

Any help is very much appreciated! Thank you!

thw24 於 4 個月前 詢問

JustSecurity 於 4 個月前 解答

  • 已解決

Why isn't DuckDuckGo, Startpage, Searx, etc. Default search engine?

Hello SUMO Team! I always had this question but never really asked it. Why isn't DuckDuckGo or a more privacy based Search engine set as default? You even have to manua… (閱讀更多)

Hello SUMO Team!

  I always had this question but never really asked it. Why isn't DuckDuckGo or a more privacy based Search engine set as default? You even have to manually add Startpage and others... 

 It just hurts me how a privacy browser has the Google search engine as default after all, most people come to Firefox for privacy and Google is the opposite. Maybe one of the developers can change that?

Thank you so much for trying to help me and Stay Safe!

Tommy 於 4 個月前 詢問

McCoy 於 4 個月前 解答

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Wordpress "justify" now working

I run a blog on wordpress and while editing a blog post I tried to adjust the justify the paragraph but it not worked. I previously used chrome in which it worked, but in… (閱讀更多)

I run a blog on wordpress and while editing a blog post I tried to adjust the justify the paragraph but it not worked. I previously used chrome in which it worked, but in firefox it seems that its is not working.

Najm Us Saqib 於 1 個月前 詢問

jscher2000 最近回覆 於 1 個月前

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how do I prevent a new window by mistake

I usually have a lot of tabs opened Too often I expirience that instead of moving from a tab down to another tab, I instead get the first tab changed to a new window :( I… (閱讀更多)

I usually have a lot of tabs opened Too often I expirience that instead of moving from a tab down to another tab, I instead get the first tab changed to a new window :( I seems to happen because I move the mouse down and not to the left or rigth to antother tab It is very annoing. Is there a way to avoid this ? kind regards from denmark

gert_glick 於 1 個月前 詢問

TyDraniu 於 1 個月前 解答

  • 已解決

Firefox glitching images

Recently, I am seeing some images glitching when browsing in Firefox. For example, when I try to use Figma, images in my canvas glitch. I attached a screenshot as example… (閱讀更多)

Recently, I am seeing some images glitching when browsing in Firefox. For example, when I try to use Figma, images in my canvas glitch. I attached a screenshot as example.

Glad if anyone can help me.

Vinicius Bortoletto 於 1 個月前 詢問

Vinicius Bortoletto 於 1 個月前 解答

  • 已解決

firefox not playing html5 videos

Hi! I have got a big problem that took hours of my patient attention, but nothing helped(or I have done something incorrectly). I am unable to play most videos on the int… (閱讀更多)

Hi! I have got a big problem that took hours of my patient attention, but nothing helped(or I have done something incorrectly).

I am unable to play most videos on the internet. For example, i can watch video in youtube, but when i play stream on the same platform, youtube complains that currently my firefox browser does not recognize any html5 video formats.

Plugins installed: OpenH264, Shockwave Flash, and... while writing this question i've found that there's also widevine cdm that i tried earlier to install in my browser, 'cause by default in my Ubuntu 20.04.1 LTS there's no such extension.

I tried this to install widevine. Maybe I have done something in the way it shouldn't. 1)https://support.mozilla.org/en-US/questions/1207502 2)Reinstall firefox 3)Trying disabling any combination of installed extensions to find the "wrong".

jarskimarkus 於 1 個月前 詢問

cor-el 於 1 個月前 解答

  • 已解決

Content Security Policy: The page's settings blocked the loading of a resource at eval ("script-src").

I have a website running on a virtual machine on my PC. I access it through m-nlp.test. Suddenly, my js files are not loaded anymore, although I have not changed anything… (閱讀更多)

I have a website running on a virtual machine on my PC. I access it through m-nlp.test.

Suddenly, my js files are not loaded anymore, although I have not changed anything at the website.

I get the following error/warnings when I open my website with Firefox:

>Loading failed for the with source “http://m-nlp.test/js/index.js?v=4”.

>Content Security Policy: The page's settings blocked the loading of a resource at eval ("script-src").

and the js is not working. I don't understand why a `Content Security Policy` is raised, because the js files that I try to load are accessed from the same domain (http://m-nlp.test/).

Weird facts:

  • The live website on the production server is working in Firefox.
  • m-nlp.test works in Chrome
  • m-nlp.test works in incognito window in Firefox.

I cleared cache for m-nlp.test but it is still showing the same error.

What could cause it?

admin278 於 1 個月前 詢問

admin278 於 1 個月前 解答

  • 已解決

I keep getting a unknown pop up just recently started.

I keep getting a unknown pop up after recently up grading FF. I have not seen this before and can`t find out what plugin if any it is coming from. All it does is ask if i… (閱讀更多)

I keep getting a unknown pop up after recently up grading FF. I have not seen this before and can`t find out what plugin if any it is coming from. All it does is ask if i want to refresh FF now or later. See the attached image.

Adam 於 1 個月前 詢問

Wesley Branton 於 1 個月前 解答

  • 已解決

Can't add custom root CA

Desired behavior: I can add my own trusted Certificate Authority next to all the others. Actual behavior: After clicking “Import” and selecting the root CA's cert file,… (閱讀更多)

  • Desired behavior: I can add my own trusted Certificate Authority next to all the others.
  • Actual behavior: After clicking “Import” and selecting the root CA's cert file, reloading the website it certifies still yields an Unknown Issuer error.

I am running Firefox 80.0 on Fedora Linux 32.

This certificate file works perfectly fine on another browser.

ishygddt_xyz 於 1 個月前 詢問

ishygddt_xyz 於 1 個月前 解答

  • 已解決

cannot find Page Action in order to "pin site"

I wish to pin a site to the menu bar - told that need to activate "page action" - this does not appear in 3 bar menu - tried "safe mode" and disabled extensions - still n… (閱讀更多)

I wish to pin a site to the menu bar - told that need to activate "page action" - this does not appear in 3 bar menu - tried "safe mode" and disabled extensions - still no page actions. Do not use chrome

s1p0h2 於 1 個月前 詢問

AliceWyman 於 1 個月前 解答

  • 已解決

How to stop auto-updates in vcer. 80.0.1 for Ubuntu Linux.

I have googled this issue and came across many posts on this subject of which many didn't relate to this version. Of those that seemed to apply, I have tried and set the … (閱讀更多)

I have googled this issue and came across many posts on this subject of which many didn't relate to this version. Of those that seemed to apply, I have tried and set the about:config switches that supposedly has to do with Firefox auto updating and still, every couple of days or so when I try to load a new web page, I get the annoying have to reload Firefox first message. I have to quit Firefox, restart it and then wait for all the tabs that I had open to reload. Why doesn't this version obey it's built in switches?

thomasj38 於 1 個月前 詢問

cor-el 於 1 個月前 解答